Home / 37,902.58-52,305.97-21,135.86

Finding the Fourth Proportional to 37,902.58, 52,305.97 and 21,135.86

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Solution

The fourth proportional to 37,902.58, 52,305.97 and 21,135.86 is: 29,167.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,902.58 : 52,305.97 = 21,135.86 : x
  2. Step 2: Convert to fraction form
    37,902.58/52,305.97 = 21,135.86/x
  3. Step 3: Cross multiply
    37,902.58x = 52,305.97 × 21,135.86
  4. Step 4: Simplify right side
    37,902.58x = 1,105,531,659.08
  5. Step 5: Solve for x
    x = 1,105,531,659.08/37,902.58
  6. Step 6: Final answer
    x = 29,167.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.